OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Reduce number of blits required in stereo 3D by tracking current eye.

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This commit is contained in:
Christopher Bruns 2019-03-03 09:35:38 -08:00 • committed by Christoph Oelckers
commit 0fb940632a
5 changed files with 40 additions and 26 deletions
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10
src/rendering/gl/renderer/gl_scene.cpp
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@ -163,9 +163,11 @@ sector_t * FGLRenderer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * came
// Render (potentially) multiple views for stereo 3d
// Fixme. The view offsetting should be done with a static table and not require setup of the entire render state for the mode.
auto vrmode = VRMode::GetVRMode(mainview && toscreen);
for (int eye_ix = 0; eye_ix < vrmode->mEyeCount; ++eye_ix)
const int eyeCount = vrmode->mEyeCount;
mBuffers->CurrentEye() = 0; // always begin at zero, in case eye count changed
for (int eye_ix = 0; eye_ix < eyeCount; ++eye_ix)
{
const auto &eye = vrmode->mEyes[eye_ix];
const auto &eye = vrmode->mEyes[mBuffers->CurrentEye()];
screen->SetViewportRects(bounds);
if (mainview) // Bind the scene frame buffer and turn on draw buffers used by ssao
@ -218,8 +220,8 @@ sector_t * FGLRenderer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * came
PostProcess.Unclock();
}
di->EndDrawInfo();
if (vrmode->mEyeCount > 1)
mBuffers->BlitToEyeTexture(eye_ix);
if (eyeCount - eye_ix > 1)
mBuffers->NextEye(eyeCount);
}
return mainvp.sector;